// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_EVENTS_TEST_TEST_EVENT_HANDLER_H_
#define UI_EVENTS_TEST_TEST_EVENT_HANDLER_H_

#include <string>
#include <vector>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "ui/events/event_handler.h"

typedef std::vector<std::string> HandlerSequenceRecorder;

namespace ui {
namespace test {

    // A simple EventHandler that keeps track of the number of key events that it's
    // seen.
    class TestEventHandler : public EventHandler {
    public:
        TestEventHandler();
        ~TestEventHandler() override;

        int num_key_events() const { return num_key_events_; }
        int num_mouse_events() const { return num_mouse_events_; }
        int num_scroll_events() const { return num_scroll_events_; }
        int num_touch_events() const { return num_touch_events_; }
        int num_gesture_events() const { return num_gesture_events_; }

        void Reset();

        void set_recorder(HandlerSequenceRecorder* recorder)
        {
            recorder_ = recorder;
        }
        void set_handler_name(const std::string& handler_name)
        {
            handler_name_ = handler_name;
        }

        // EventHandler overrides:
        void OnKeyEvent(KeyEvent* event) override;
        void OnMouseEvent(MouseEvent* event) override;
        void OnScrollEvent(ScrollEvent* event) override;
        void OnTouchEvent(TouchEvent* event) override;
        void OnGestureEvent(GestureEvent* event) override;

    private:
        // How many events have been received of each type?
        int num_key_events_;
        int num_mouse_events_;
        int num_scroll_events_;
        int num_touch_events_;
        int num_gesture_events_;

        HandlerSequenceRecorder* recorder_;
        std::string handler_name_;

        DISALLOW_COPY_AND_ASSIGN(TestEventHandler);
    };

} // namespace test
} // namespace ui

#endif // UI_EVENTS_TEST_TEST_EVENT_HANDLER_H_
